Home / 107,568.90-161,397.50-47,565.72

Finding the Fourth Proportional to 107,568.90, 161,397.50 and 47,565.72

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Solution

The fourth proportional to 107,568.90, 161,397.50 and 47,565.72 is: 71,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,568.90 : 161,397.50 = 47,565.72 : x
  2. Step 2: Convert to fraction form
    107,568.90/161,397.50 = 47,565.72/x
  3. Step 3: Cross multiply
    107,568.90x = 161,397.50 × 47,565.72
  4. Step 4: Simplify right side
    107,568.90x = 7,676,988,055.87
  5. Step 5: Solve for x
    x = 7,676,988,055.87/107,568.90
  6. Step 6: Final answer
    x = 71,368.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.